* Mull (F-Droid version) is no longer supported. Please switch to Mull (divestos.org version) by installing it with FFUpdater or use F-Droid to update Mull (F-Droid version)
* improve handling of apps with different certificate fingerprints
* fix Mulch update failure for arm32 devices
* fix FennecFdroid.kt update failure for arm32 devices
* add unit tests
* cleanup